Jasminum cuneatum Jongkind (Oleaceae), a new species from Guinée, Liberia and Côte d’Ivoire
Author
Jongkind, Carel C. H.
text
Adansonia
2010
3
2010-06-30
32
1
141
143
http://www.bioone.org/doi/abs/10.5252/a2010n1a9
journal article
10.5252/a2010n1a9
1639-4798
4601342
Jasminum cuneatum
Jongkind
,
sp. nov.
(
Fig. 1
)
Species nova
J. kwangense Liben
affinis, sed foliis tenioribus eglandulatis.
TYPUS
. —
Guinée
.
Nimba Mountains
,
Gouan Valley
,
850 m
altitude,
21.VIII.2008
,
Jongkind 8376
(holo-,
WAG; iso-, BR, K, MO, P).
PARATYPES
. —
Guinée
.
Macenta
,
8.
V
.1926,
Collenette
16
(
K
). — Macenta,
IV.1936
,
Jacques-Felix 861
(
P
)
.
Liberia
.
Ganta,
13.
V
.1939,
WJ Harley
1168
(
K
). —
So-Banga
,
20.IX.1926
,
Linder 1155
(
K
). — Banga,
21.X.1926
,
Linder 1172
(
K
)
.
Côte d’Ivoire
.
Bassin du Haut Nuon
, entre
Bampleu
et Kouanhoulé,
6.IV.1909
,
Chevalier 21182
(
P
)
. —
N
de
Man
,
19.VIII.1969
,
Thijsen 197
(
WAG
,
P
)
.
DESCRIPTION
Twining climber several meters long.Twigs pubescent. Leaves opposite; petiole
2-9 mm
long, often with a clear joint, with short hairs most densely at upper side; blade elliptic, 3.5-11 ×
2-4.5 cm
, almost glabrous, 5 pairs of lateral nerves, with a few not very conspicuous hairs in the axils of the larger lateral nerves only, base cuneate, apex acute to acuminate. Inflorescence cymose or almost umbellate, up to 7-flowered; peduncle
7-23 mm
long; pedicel
12-30 mm
long; calyx tube
1-2 mm
high, 5(-6) linear lobes
6-8 mm
long with a few hairs or glabrous, green, slightly accrescent in fruit; corolla glabrous, white, with 5 or more slender lobes
c.
15 ×
1.5 mm
, slender tube
20- 24 mm
long, slightly widening below the base of the anthers; the two stamens included in the tube, filaments
c.
1.5 mm
long; anthers
c.
4 mm
long, apiculate; style glabrous, shortly exserted. Fruit one or two lobed, glabrous, shiny, no mature fruits known yet.
HABITAT AND DISTRIBUTION
Forests in South-East
Guinée
, North
Liberia
and West
Côte d’Ivoire
, from
c.
200 to 850 m
altitude.